USAF Ranks
Master Sergeant (MSgt) Addressed as "Master Sergeant" or "Sergeant". The diamond in the upper field indicates "1st Sergeant". E-8
The diamond in the upper field indicates "1st Sergeant". E-8, SNCO
Chief Master Sergeant (CMSgt) Addressed as "Chief Master Sergeant" or "Chief". E-9
The diamond in the upper field indicates "1st Sergeant". E-8. SNCO
Senior Master Sergeant (SMSgt) Addressed as "Senior Master Sergeant" or "Sergeant". E-9
The diamond in the upper field indicates "1st Sergeant". E-8. SNCO
1st Lieutenant (1st Lt) Addressed as "1st Lieutenant" or "Lieutenant". O-2
CGO
Captain (Capt) Addressed as "Captain". O-3
CGO
Second Lieutenant (2d Lt) Addressed as "Second Lieutenant" or "Lieutenant". O-1
CGO
Colonel (Col) Addressed as "Colonel". O-6
FGO
Lieutenant Colonel (Lt Col) Addressed as "Lieutenant Colonel" or "Colonel". O-5
FGO
Major (Maj) Addressed as "Major". O-4
FGO
Brigadier General (Brig Gen) Addressed as "Brigadier General" or "General". O-7
General Officer
Major General (Maj Gen) Addressed as "Major General" or "General". O-8
General officer
Staff Sergeant (SSgt) Addressed as "Staff Sergeant" or "Sergeant". E-5
NCO
Technical Sergeant (TSgt) Addressed as "Technical Sergeant" or "Sergeant". E-6
NCO
Airman Basic (AB) Addressed as "Airman Basic" or "Airman". E-1
No rank or insignia. tier: junior enlisted airman
NCO
Non-commissioned officer
Chief Master Sergeant (CMSgt) Addressed as "Chief Master Sergeant" or "Chief". E-9
SNCO
Master Sergeant (MSgt) Addressed as "Master Sergeant" or "Sergeant". E-7
SNCO
Senior Master Sergeant (SMSgt) Addressed as "Senior Master Sergeant" or "Sergeant". E-9
SNCO
CGO
company grade officer
FGO
feild grade officer
General (Gen) Addressed as "General". O-10
general officer
Lieutenant General (Lt Gen) Addressed as "Lieutenant General" or "General". O-9
general officer
Airman (Amn) Addressed as "Airman". E-2,
junior enlisted airman
Airman 1st Class (A1C) Addressed as "Airman 1st Class" or "Airman" E-3
junior enlisted airman
Senior Airman (SrA) Addressed as "Senior Airman" or "Airman" E-4
junior enlisted airman
SNCO
senior non-commissioned officer
Command Chief Master Sergeant (CCM) Addressed as "Command Chief Master Sergeant". E-9
star indicates that it is a CCM. SNCO
Chief Master Sergeant of the Air Force (CMSAF) Addressed as "Chief Master Sergeant of the Air Force". E-9
star means CMSAF. SNCO